SC189ZULTRT Semtech, SC189ZULTRT Datasheet - Page 15

• Manufacturer Part Number: SC189ZULTRT
• Description: IC BUCK 3.3V 1.5A 6MLPQ
• Manufacturer: Semtech
• Type: Step-Down (Buck)r

Specifications of SC189ZULTRT

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• Current - Output: 1.5A
• Frequency - Switching: 2.5MHz
• Voltage - Input: 2.9 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 6-MLPD-UT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: SC189ZULTR

Block Diagram
© 2009 Semtech Corp.
VOUT
EN
Voltage
Select
Oscillator
Internal
500mV
Ref
V
OVP
+
-
+
-
Generator
Error Amp
Ramp
OVP
Comp
PWM
+
-
15
Plimit Comp
Plimit Amp
+
-
Control
Logic
Current Amp
+
-
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SC189
LX
GND
VIN